Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
31-08-2024 21:41
Static task
static1
Behavioral task
behavioral1
Sample
B5DE23814A83134FCA7CE2DBC450AF36.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
B5DE23814A83134FCA7CE2DBC450AF36.exe
Resource
win10v2004-20240802-en
General
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Target
B5DE23814A83134FCA7CE2DBC450AF36.exe
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Size
2.0MB
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MD5
b5de23814a83134fca7ce2dbc450af36
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SHA1
b5592ad63cbc1706a66dbf7d4c9d833572ab1ecc
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SHA256
9e90c1219aac375230e375f3d641f6b1edb2968acb41d542528ad744714c9b35
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SHA512
775b910fa2918ff3a49d75beb93b51a2f09ab7cf679dab6b1046b261962b2e35d0b326bea528d195fde52259ff1692b46659b9a64cc930e5f097d4abe5752c87
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SSDEEP
49152:MnOpOCv0Z29PyAey5pV/ohTXY2H2mS5auQi0dGf1ecKxClrpHZ:tON+v5p2TXvWfUeEIR
Malware Config
Extracted
xworm
21.ip.gl.ply.gg:29567
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Install_directory
%Temp%
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install_file
runtimebroken.exe
Signatures
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DcRat 27 IoCs
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
description ioc pid Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\runtimebroken = "C:\\Users\\Admin\\AppData\\Local\\Temp\\runtimebroken.exe" XClient.exe 3344 schtasks.exe 880 schtasks.exe 4228 schtasks.exe 1496 schtasks.exe 376 schtasks.exe 4388 schtasks.exe 2096 schtasks.exe 4572 schtasks.exe 4352 schtasks.exe 3320 schtasks.exe 1056 schtasks.exe 936 schtasks.exe 2120 schtasks.exe 2436 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language B5DE23814A83134FCA7CE2DBC450AF36.exe 4676 schtasks.exe 4640 schtasks.exe 2900 schtasks.exe 1156 schtasks.exe 4804 schtasks.exe 2824 schtasks.exe 4144 schtasks.exe 2464 schtasks.exe 3808 schtasks.exe 1192 schtasks.exe 1364 schtasks.exe -
Detect Umbral payload 2 IoCs
resource yara_rule behavioral2/files/0x000900000002349e-4.dat family_umbral behavioral2/memory/3944-24-0x000001E084200000-0x000001E084240000-memory.dmp family_umbral -
Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/files/0x00080000000234f8-16.dat family_xworm behavioral2/memory/4632-56-0x0000000000670000-0x000000000068A000-memory.dmp family_xworm -
Process spawned unexpected child process 24 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 376 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3344 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2096 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2120 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2436 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1156 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4572 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3808 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4676 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1192 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4352 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4640 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3320 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1364 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1056 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 880 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4804 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2824 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4388 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2900 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4228 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 936 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4144 4896 schtasks.exe 92 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2464 4896 schtasks.exe 92 -
resource yara_rule behavioral2/files/0x00070000000234fe-52.dat dcrat behavioral2/files/0x0007000000023502-131.dat dcrat behavioral2/memory/2264-133-0x00000000007A0000-0x000000000091A000-memory.dmp dcrat -
pid Process 3492 powershell.exe 936 powershell.exe 4532 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts dUmbral.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3764 netsh.exe -
Checks computer location settings 2 TTPs 6 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation B5DE23814A83134FCA7CE2DBC450AF36.exe Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation DCRatBuild.exe Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation XClient.exe Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation nbClient.exe Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation surrogatewin.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runtimebroken.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runtimebroken.lnk XClient.exe -
Executes dropped EXE 10 IoCs
pid Process 3944 dUmbral.exe 4632 XClient.exe 3800 sheetr.exe 4856 nbClient.exe 3580 DCRatBuild.exe 4844 WindowsServices.exe 2264 surrogatewin.exe 1712 sppsvc.exe 4144 runtimebroken.exe 1932 runtimebroken.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\runtimebroken = "C:\\Users\\Admin\\AppData\\Local\\Temp\\runtimebroken.exe" XClient.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d21edb049c65ebaba2de22a974b4ef03 = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsServices.exe\" .." WindowsServices.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\d21edb049c65ebaba2de22a974b4ef03 = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsServices.exe\" .." WindowsServices.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 29 discord.com 30 discord.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 ip-api.com -
Drops file in Program Files directory 11 IoCs
description ioc Process File created C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\WinMetadata\backgroundTaskHost.exe surrogatewin.exe File created C:\Program Files\Microsoft Office\root\Licenses\f3b6ecef712a24 surrogatewin.exe File created C:\Program Files\Windows Security\BrowserCore\en-US\lsass.exe surrogatewin.exe File created C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\conhost.exe surrogatewin.exe File created C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\088424020bedd6 surrogatewin.exe File created C:\Program Files\Windows Security\0a1fd5f707cd16 surrogatewin.exe File created C:\Program Files\Microsoft Office\root\Licenses\spoolsv.exe surrogatewin.exe File created C:\Program Files\Windows Security\BrowserCore\en-US\6203df4a6bafc7 surrogatewin.exe File created C:\Program Files\Windows Security\sppsvc.exe surrogatewin.exe File created C:\Program Files\7-Zip\Lang\backgroundTaskHost.exe surrogatewin.exe File created C:\Program Files\7-Zip\Lang\eddb19405b7ce1 surrogatewin.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\PolicyDefinitions\surrogatewin.exe surrogatewin.exe File created C:\Windows\PolicyDefinitions\a7a43f427ce307 surrogatewin.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WindowsServices.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language B5DE23814A83134FCA7CE2DBC450AF36.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nbClient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DCRatBuild.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1616 cmd.exe 3888 PING.EXE -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 2332 wmic.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings DCRatBuild.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3888 PING.EXE -
Scheduled Task/Job: Scheduled Task 1 TTPs 25 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 376 schtasks.exe 2096 schtasks.exe 2120 schtasks.exe 4388 schtasks.exe 4228 schtasks.exe 4144 schtasks.exe 3344 schtasks.exe 1156 schtasks.exe 880 schtasks.exe 2824 schtasks.exe 4676 schtasks.exe 1192 schtasks.exe 2900 schtasks.exe 936 schtasks.exe 4804 schtasks.exe 1496 schtasks.exe 4352 schtasks.exe 3320 schtasks.exe 1364 schtasks.exe 1056 schtasks.exe 2464 schtasks.exe 2436 schtasks.exe 4640 schtasks.exe 4572 schtasks.exe 3808 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 17 IoCs
pid Process 3944 dUmbral.exe 4532 powershell.exe 4532 powershell.exe 3492 powershell.exe 3492 powershell.exe 936 powershell.exe 936 powershell.exe 4632 XClient.exe 2264 surrogatewin.exe 2264 surrogatewin.exe 2264 surrogatewin.exe 2264 surrogatewin.exe 2264 surrogatewin.exe 2264 surrogatewin.exe 2264 surrogatewin.exe 2264 surrogatewin.exe 1712 sppsvc.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4632 XClient.exe Token: SeDebugPrivilege 3944 dUmbral.exe Token: SeIncreaseQuotaPrivilege 4972 wmic.exe Token: SeSecurityPrivilege 4972 wmic.exe Token: SeTakeOwnershipPrivilege 4972 wmic.exe Token: SeLoadDriverPrivilege 4972 wmic.exe Token: SeSystemProfilePrivilege 4972 wmic.exe Token: SeSystemtimePrivilege 4972 wmic.exe Token: SeProfSingleProcessPrivilege 4972 wmic.exe Token: SeIncBasePriorityPrivilege 4972 wmic.exe Token: SeCreatePagefilePrivilege 4972 wmic.exe Token: SeBackupPrivilege 4972 wmic.exe Token: SeRestorePrivilege 4972 wmic.exe Token: SeShutdownPrivilege 4972 wmic.exe Token: SeDebugPrivilege 4972 wmic.exe Token: SeSystemEnvironmentPrivilege 4972 wmic.exe Token: SeRemoteShutdownPrivilege 4972 wmic.exe Token: SeUndockPrivilege 4972 wmic.exe Token: SeManageVolumePrivilege 4972 wmic.exe Token: 33 4972 wmic.exe Token: 34 4972 wmic.exe Token: 35 4972 wmic.exe Token: 36 4972 wmic.exe Token: SeIncreaseQuotaPrivilege 4972 wmic.exe Token: SeSecurityPrivilege 4972 wmic.exe Token: SeTakeOwnershipPrivilege 4972 wmic.exe Token: SeLoadDriverPrivilege 4972 wmic.exe Token: SeSystemProfilePrivilege 4972 wmic.exe Token: SeSystemtimePrivilege 4972 wmic.exe Token: SeProfSingleProcessPrivilege 4972 wmic.exe Token: SeIncBasePriorityPrivilege 4972 wmic.exe Token: SeCreatePagefilePrivilege 4972 wmic.exe Token: SeBackupPrivilege 4972 wmic.exe Token: SeRestorePrivilege 4972 wmic.exe Token: SeShutdownPrivilege 4972 wmic.exe Token: SeDebugPrivilege 4972 wmic.exe Token: SeSystemEnvironmentPrivilege 4972 wmic.exe Token: SeRemoteShutdownPrivilege 4972 wmic.exe Token: SeUndockPrivilege 4972 wmic.exe Token: SeManageVolumePrivilege 4972 wmic.exe Token: 33 4972 wmic.exe Token: 34 4972 wmic.exe Token: 35 4972 wmic.exe Token: 36 4972 wmic.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeIncreaseQuotaPrivilege 1356 wmic.exe Token: SeSecurityPrivilege 1356 wmic.exe Token: SeTakeOwnershipPrivilege 1356 wmic.exe Token: SeLoadDriverPrivilege 1356 wmic.exe Token: SeSystemProfilePrivilege 1356 wmic.exe Token: SeSystemtimePrivilege 1356 wmic.exe Token: SeProfSingleProcessPrivilege 1356 wmic.exe Token: SeIncBasePriorityPrivilege 1356 wmic.exe Token: SeCreatePagefilePrivilege 1356 wmic.exe Token: SeBackupPrivilege 1356 wmic.exe Token: SeRestorePrivilege 1356 wmic.exe Token: SeShutdownPrivilege 1356 wmic.exe Token: SeDebugPrivilege 1356 wmic.exe Token: SeSystemEnvironmentPrivilege 1356 wmic.exe Token: SeRemoteShutdownPrivilege 1356 wmic.exe Token: SeUndockPrivilege 1356 wmic.exe Token: SeManageVolumePrivilege 1356 wmic.exe Token: 33 1356 wmic.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4632 XClient.exe -
Suspicious use of WriteProcessMemory 52 IoCs
description pid Process procid_target PID 640 wrote to memory of 3944 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 87 PID 640 wrote to memory of 3944 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 87 PID 640 wrote to memory of 4632 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 88 PID 640 wrote to memory of 4632 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 88 PID 640 wrote to memory of 3800 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 89 PID 640 wrote to memory of 3800 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 89 PID 640 wrote to memory of 4856 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 90 PID 640 wrote to memory of 4856 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 90 PID 640 wrote to memory of 4856 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 90 PID 640 wrote to memory of 3580 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 91 PID 640 wrote to memory of 3580 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 91 PID 640 wrote to memory of 3580 640 B5DE23814A83134FCA7CE2DBC450AF36.exe 91 PID 3580 wrote to memory of 2488 3580 DCRatBuild.exe 94 PID 3580 wrote to memory of 2488 3580 DCRatBuild.exe 94 PID 3580 wrote to memory of 2488 3580 DCRatBuild.exe 94 PID 3944 wrote to memory of 4972 3944 dUmbral.exe 95 PID 3944 wrote to memory of 4972 3944 dUmbral.exe 95 PID 3944 wrote to memory of 4788 3944 dUmbral.exe 99 PID 3944 wrote to memory of 4788 3944 dUmbral.exe 99 PID 3944 wrote to memory of 4532 3944 dUmbral.exe 101 PID 3944 wrote to memory of 4532 3944 dUmbral.exe 101 PID 3944 wrote to memory of 3492 3944 dUmbral.exe 103 PID 3944 wrote to memory of 3492 3944 dUmbral.exe 103 PID 3944 wrote to memory of 1356 3944 dUmbral.exe 105 PID 3944 wrote to memory of 1356 3944 dUmbral.exe 105 PID 3944 wrote to memory of 384 3944 dUmbral.exe 107 PID 3944 wrote to memory of 384 3944 dUmbral.exe 107 PID 3944 wrote to memory of 3876 3944 dUmbral.exe 109 PID 3944 wrote to memory of 3876 3944 dUmbral.exe 109 PID 3944 wrote to memory of 936 3944 dUmbral.exe 111 PID 3944 wrote to memory of 936 3944 dUmbral.exe 111 PID 3944 wrote to memory of 2332 3944 dUmbral.exe 113 PID 3944 wrote to memory of 2332 3944 dUmbral.exe 113 PID 4632 wrote to memory of 1496 4632 XClient.exe 115 PID 4632 wrote to memory of 1496 4632 XClient.exe 115 PID 3944 wrote to memory of 1616 3944 dUmbral.exe 120 PID 3944 wrote to memory of 1616 3944 dUmbral.exe 120 PID 1616 wrote to memory of 3888 1616 cmd.exe 122 PID 1616 wrote to memory of 3888 1616 cmd.exe 122 PID 4856 wrote to memory of 4844 4856 nbClient.exe 124 PID 4856 wrote to memory of 4844 4856 nbClient.exe 124 PID 4856 wrote to memory of 4844 4856 nbClient.exe 124 PID 2488 wrote to memory of 1180 2488 WScript.exe 125 PID 2488 wrote to memory of 1180 2488 WScript.exe 125 PID 2488 wrote to memory of 1180 2488 WScript.exe 125 PID 1180 wrote to memory of 2264 1180 cmd.exe 127 PID 1180 wrote to memory of 2264 1180 cmd.exe 127 PID 2264 wrote to memory of 1712 2264 surrogatewin.exe 153 PID 2264 wrote to memory of 1712 2264 surrogatewin.exe 153 PID 4844 wrote to memory of 3764 4844 WindowsServices.exe 156 PID 4844 wrote to memory of 3764 4844 WindowsServices.exe 156 PID 4844 wrote to memory of 3764 4844 WindowsServices.exe 156 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 4788 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\B5DE23814A83134FCA7CE2DBC450AF36.exe"C:\Users\Admin\AppData\Local\Temp\B5DE23814A83134FCA7CE2DBC450AF36.exe"1⤵
- DcRat
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Users\Admin\AppData\Local\Temp\dUmbral.exe"C:\Users\Admin\AppData\Local\Temp\dUmbral.exe"2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4972
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C:\Windows\SYSTEM32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\dUmbral.exe"3⤵
- Views/modifies file attributes
PID:4788
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\dUmbral.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4532
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 23⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3492
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1356
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory3⤵PID:384
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵PID:3876
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:936
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name3⤵
- Detects videocard installed
PID:2332
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\dUmbral.exe" && pause3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1616 -
C:\Windows\system32\PING.EXEping localhost4⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3888
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"2⤵
- DcRat
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "runtimebroken" /tr "C:\Users\Admin\AppData\Local\Temp\runtimebroken.exe"3⤵
- DcRat
- Scheduled Task/Job: Scheduled Task
PID:1496
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C:\Users\Admin\AppData\Local\Temp\sheetr.exe"C:\Users\Admin\AppData\Local\Temp\sheetr.exe"2⤵
- Executes dropped EXE
PID:3800
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C:\Users\Admin\AppData\Local\Temp\nbClient.exe"C:\Users\Admin\AppData\Local\Temp\nbClient.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Users\Admin\AppData\Roaming\WindowsServices.exe"C:\Users\Admin\AppData\Roaming\WindowsServices.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3764
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C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3580 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\bridgehypercomponentref\5wuflk5eGDg0JiUtQB.vbe"3⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\bridgehypercomponentref\zjek1GJ52LhRCMyRfAhZF9WxGZ.bat" "4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Users\Admin\AppData\Local\Temp\bridgehypercomponentref\surrogatewin.exe"C:\Users\Admin\AppData\Local\Temp\bridgehypercomponentref\surrogatewin.exe"5⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Program Files\Windows Security\sppsvc.exe"C:\Program Files\Windows Security\sppsvc.exe"6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1712
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\csrss.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:376
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\All Users\csrss.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3344
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\csrss.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2096
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "surrogatewins" /sc MINUTE /mo 10 /tr "'C:\Windows\PolicyDefinitions\surrogatewin.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2120
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "surrogatewin" /sc ONLOGON /tr "'C:\Windows\PolicyDefinitions\surrogatewin.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2436
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "surrogatewins" /sc MINUTE /mo 9 /tr "'C:\Windows\PolicyDefinitions\surrogatewin.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1156
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 9 /tr "'C:\Program Files\Microsoft Office\root\Licenses\spoolsv.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4572
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\root\Licenses\spoolsv.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3808
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Program Files\Microsoft Office\root\Licenses\spoolsv.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4676
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsassl" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Security\BrowserCore\en-US\lsass.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1192
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\Windows Security\BrowserCore\en-US\lsass.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4352
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Security\BrowserCore\en-US\lsass.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4640
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3320
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1364
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1056
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\conhost.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:880
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\conhost.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4804
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "conhostc" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\conhost.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2824
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Security\sppsvc.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4388
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files\Windows Security\sppsvc.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2900
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Security\sppsvc.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4228
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 8 /tr "'C:\Program Files\7-Zip\Lang\backgroundTaskHost.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:936
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files\7-Zip\Lang\backgroundTaskHost.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4144
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 13 /tr "'C:\Program Files\7-Zip\Lang\backgroundTaskHost.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2464
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C:\Users\Admin\AppData\Local\Temp\runtimebroken.exeC:\Users\Admin\AppData\Local\Temp\runtimebroken.exe1⤵
- Executes dropped EXE
PID:4144
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C:\Users\Admin\AppData\Local\Temp\runtimebroken.exeC:\Users\Admin\AppData\Local\Temp\runtimebroken.exe1⤵
- Executes dropped EXE
PID:1932
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
948B
MD51a58f982c18490e622e00d4eb75ace5a
SHA160c30527b74659ecf09089a5a7c02a1df9a71b65
SHA2564b7f800c0dea209162cc86627983993127eb20e3f8616646c41cb3ce15d9b39d
SHA512ddab516a967783c5951717853aa5b3ef6dd5b442db50092888b2e7f3179fc68120fcde69a08d6ab280740eaadb6eadfc758c3118b52706f869e48ac1aebda480
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Filesize
944B
MD56d42b6da621e8df5674e26b799c8e2aa
SHA1ab3ce1327ea1eeedb987ec823d5e0cb146bafa48
SHA2565ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c
SHA51253faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29
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Filesize
1.7MB
MD54296d05b7cbc2a5434fcbce0b223207a
SHA1b9722fc0b88992a694ba9fda339589290e43c02e
SHA256c8e0942be2254be75620a9985347888f94a848a238f6c1558848b42bc1d381f1
SHA5120413160847169ebf9ddaa5081d1f5a0a6c04428186a8265151c81bd8ecc01dc4a80631de21a40acf03d53b90919331d6a15450476baeaa2f0b70a0857c464f04
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Filesize
75KB
MD5462b4ff944b4c0a49a599bbf9b14ef07
SHA1ca336da45ccfabe9768a91a1e86a3addd42855ac
SHA25669c75fcc62bba3cdbfad6e0851fa249eb7ae0fbe1c50b16507dbb0573a2d6ae7
SHA51264ca6271d23c0875abbecdf84d24d1b95387f54fd7e94396b537a32d0c400efe26af293f7aac519111bf2a7c87cd8b1bc57ee7f7bf12baa5f1fdf2991dd7986c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
230B
MD5fb88e36782a5f55e36e02ff67da91cea
SHA1a0fc273d88ade34a1da708ad049cc6ff0d94a940
SHA256786d99584ff3356774ebbeb9cf60c0e926ef26fc8b673d771f774b7494fb11f6
SHA512bc80fcc246a047f289cf714d13ff5a5ec00eae0583c597b666b06c9a5240c6b30f85415efc318af2e6406da98d37b4b344cc2c9f9e264948a822f3ad65a25f67
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Filesize
1.4MB
MD520e7cb182292241f014bf6db7f6d66cb
SHA1a79831502d62923c432e6af1a57922110a51cfb9
SHA2566de0eaace2e3dbab84cffb0bca1f4a6ceffff3f365d5c22e76ebe36adbd3bfc7
SHA5126c0d2c73e219cc256c4ef03a00afedd9183442ccdb5d2758eae9f537ac0df1118b287170ec7fabab16785eac256216e481576383d144b5a160ff6978a765697e
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Filesize
49B
MD562da6e82dd863cf101ddefb852179c91
SHA13746be98f65363f882ade790b0c01be1b567eb94
SHA2567aead51c224afd6a0cf70e0ce00d776de2689818a5b2725539f184feadf84dcf
SHA51215862e2179b250fdf1f1d7c98c2d7859076d733598675ded5e0def5aa36c44062acae71c22a52ce500329da1dc5e3860d474bb9dca60d6b476bf2005fefc4d04
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Filesize
232KB
MD54867d27de23cded5f2229c322bf6f3fe
SHA104cd16ac5d6a2f5b7bc1db8cdefd128d0f6c2fe1
SHA25694357a5e0e0d52490a07fffd0a8940f7ffdf25acb16602d83120fc99722f88eb
SHA512b7ced6d7a420c55813388755d765a015cb65c6393cdeffaff4be6cb7c00845434161a3282ce7d316800da42766d9c309487dc2e96b74340f47b20032632f8909
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Filesize
159KB
MD5e549fad14348aca3370ada071cec4caa
SHA1294999dde4423250a1a71d7f2645712b6c2506a5
SHA256252b5235a50cc20edad06dc4e1f9befbac3f446a7f2b61994655430c9b89484f
SHA5126addaf79cb078f34076d9b0a55ed672dc54f0d756d237a0c3eaed218ab037a1f888fda10515b356c39db492aa21ad7f10de7f694ffd42aa2b4d45bd7d15b98ed
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Filesize
516KB
MD5bb854fb457e4782e20586b2e873cc76e
SHA1057f10ed64625edb33d95f6100096f9637ee1b15
SHA2560785e1f0d682986903eed2d98b82c1e9eef3cf6592d584bf5024f54f50c83c42
SHA512d90d1a26cc0d8e064e7f642f34b306b7cd299f5b6dd160d61e016d8448241c4ae0ce9382d477f8301c2205a2bd31a187f7ea5fdc4f149086b031bed715460524